System Watchdog

Command

0×01 First operand read 0×80 when setting
0×35 Second operand

Data

Set the time until the power goes OFF for forced OFF. You can set up to 255 seconds.
However, setting to 0 will cause the system watchdog to stop and not operate.
If read is performed, the time for the watchdog to operate is displayed.
0×FF – (time to shutdown) = Setting value

Temperature Read

Command

0×80 First Operand (read only)
0×37 Second operand

Data

The temperature on the board can be read.
The read data is signed char.
The data is from -55°C to 125°C.

SW Read

Command

0x80 First Operand (read only)
0×36 Second operand

Data

bit7-bit4 bit4 bit3 bit2 bit1 Bit0
0 1 F_INIT_SW 1 1 Power SW
KURO BOX/PRO Microcomputer Communication Specifications Rev.1.0
14/16
If SW or INITSW is pressed, an interrupt occurs. You can research the cause of an
interrupt by reading the SW.
Reading this resistor clears the interrupt.

If the SW is released at the point when read is started, the value returns to 1. Therefore,

Data

Data Meaning

Control Rights Switching
• 0: LED control performed by microcomputer
• 1: LED control performed by CPU
Switching on/off
• 0: Switch LED off
• 1: Light LED
Flash Switching
• 0: Do not flash LED
• 1: Flash LED